session_unregister — Unregisters a variable from the
string var: Variable
Unregisters a variable from the session. Use this
function when you don't want the contents of a variable
to be saved in the session data.
Existing since version 4.0
Example 1168. Unregister a
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
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